package exam.common.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
*@author jzh
*@创建时间 2017年6月9日下午8:05:11
*类说明：
*/
public class CharacterFilter implements Filter {

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO Auto-generated method stub

	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2)
			throws IOException, ServletException {
		HttpServletRequest request=(HttpServletRequest)arg0;
		request.setCharacterEncoding("utf-8");
		HttpServletResponse response=(HttpServletResponse)arg1;
		response.setContentType("text/json; charset=utf-8");
		
		arg2.doFilter(request, response);

	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub

	}

}
